Chimney-base protector.



N0. 77 L258. PATENTED NOV. 8, 1904. G. ,W. LEWIS.

GHIMNBY BASE PROTECTOR.

APPLIOATIOH FILED DBO. 1. 1903.

NO MODEL.

Patented November 8, 1904.

PATENT UEETQE.

GEORGE W. LEWIS, OF CARLISLE, IOWA.

CHIMNEY-BASE PROTECTOR- SPECIFICATION forming part of Letters Patent N0. 774,258, dated November 8, 1904. Application filed December 1, 1903.Serial No. 183,415. (No model.)

To all whom it Duty concern:

Be it known that I, GEORGE W. LEwIs, a citizen of the United States,residing at Carlisle, in the county of Warren and State of Iowa, haveinvented certain new and useful Improvements in Chimney-Base Protectors,of which the following is a specification.

The objects of my invention are to provide a chimney-base protector ofsimple, durable, and inexpensive construction designed to protect thatportion of the chimney which projects through a roof. At the point wherea chimney composed of brick and mortar passes through a roof it has beenfound that rain rebounding from the roof will strike upon the layer, ofmortar nearest the roof and in time wear away the mortar, thus leavingan opening from the interior of the chimney to the wooden roof, andfires frequently occur on this account. Furthermore, it is desirable toprevent water from passing down along the bricks of the chimney throughthe roof where the action of the water tends to decay that portion ofthe roof, which touches the chimney; and my object is to provide aprotector which will prevent the action of water wearing away the mortarand will also prevent water from passing along the surface of the brickscoming in contact with the wood of the roof surrounding the chimney.

A further object is to provide a protector of this class that may bereadily and quickly adapted for use in connection with roofs ofdifferent angles.

My invention consists in certain details in the construction,arrangement, and combination of the various parts of the device wherebythe objects contemplated are attained, as hereinafter more fully setforth, pointed out in my claims, and illustrated in the accompanyingdrawings, in which Figure 1 shows a vertical central sectional view of aportion of a brick chimney passing through a roof with my protectorapplied thereto as in practical use. Fig. 2 shows a perspective view ofthe protector, and Fig. 3 shows a vertical sectional viewof a roof andillustrating a modified form of protector applied to a chimney.

Referring to the accompanying drawings, I

have used the reference-numeral to indicate the brick chimney. Thenumeral 11 indicates the rafters upon which the strips 12 are fixed, andshingles 13 are secured to the said strips in the ordinary way. Thepreferred form of my protector is designed for use in connection withchimneys passing through the-apex of a roof the sides of which arearranged at angles of about forty-five degrees. The protector propercomprises two sheet-metal sides let with their upper edges inclinedinwardly at 15 and their end edges inclined inwardly at 16. Fixed to thebottom of each side piece 14 is a metal strip 17, a portion of which isriveted to the inside of the strip 14 and the lower end of whichprojects downwardly and outwardly at the same angle as the roof to whichit is to be attached. The end pieces of the protector are also made ofsheet metal and are indicated by the reference-numeral 18. Their upperends 19 are inclined inwardly, and their lower edges are shaped to fitthe apex ofthe roof for which they are designed. The edges of the ends18 are riveted to the parts 16, and thus form a substantially squaredbody portion. For each end piece 18 I have provided two strips 20 and21, L-shaped in crosssection, one part of each strip standing againstthe inner face of thepart l8 and the other part of each strip-projectingout under the part 18. These strips are pivotally connected with thepart 18 by means of a rivet 22. and the lower end strips are firmlyconnected with the part 18 by means of the rivets 23. In this connectionit is to be remembered that the angle of roofs varies considerably, andmy object in providing two strips 20 and 21 and pivotally connecting thestrips together and with the end 18 is this: Assuming that the shape ofthe roof to be fitted is such that the strips 20 and 21 will form a lessangle than the ones shown in the accompanying drawings, then the rivets23 are placed in position, after the protector has been set on the roofand the strips 20 and 21 have been placed close to the shingles on thesides of the roof. In this way the strips'20 and 21 will accurately fitagainst the shingles, although the lower edges of the ends 18 will nottouch the tops of the horizontal parts of the strips 20. Assuming, how-IOO ever, that the root to be fitted is of a less incline than the onesshown in the accompanying drawings, then the operator cuts away thelower edges of the ends 18 and fits the strips 20 and 21 to the roof andafterward inserts the rivets 23. Obviously this change may be readilyand easily accomplished by the workmen who are erecting the chimney.

In use the chimney is built up through the roof to a point where itprojects slightly above the roof. Then the protector is fitted to theroof in the manner before described, and the strips 17, Q0, and 21 arethen secured on top of the shingles surrounding the chimney. Then thetop pieces and 19 are inserted between layers of brick of the chimney,as shown in Fig. 1, and the next layer of brickis placed on top of theparts 15 and 19, thus firmly embedding the said parts 15 and 19 in thechimney and forming a water-tight joint at this part. The sides and endsof the protector stand at some distance from the bricks of the chimney,and the tops 15 and 19 form a watershed which will direct the water awayfrom the chimney and will prevent water from passing down along thesides of the chimney and thus coming in con tact with the woodenportions of the roof surrounding the chimney. It is of course essentialthat some means be provided for directing the water away from the baseof the chimney, and the tops 15 and 19 of my improved protector aredesigned for this purpose. It is possible. of course, that the action ofwater rebounding from the tops 15 and 19 may wear away the mortar atthis point; but even if an opening were made in the chimney at thispoint fire or excessive heat passing through the chimney would notignite the wooden parts of the roof, and hence would not be so dangerousas openings in the chimney on a level with the root.

In the modified form shown in Fig. 31 have illustrated a protectorespecially designed for use in connection with inclined roofs where thechimney does not pass through the apex of the root. In this form of thedevice the parts are the same as in my preferred form, except that theends 18 are simply cut at the angle of the roof on a straight line, andin place of the strips and 21 1 provide a single strip 24, L-shaped incross-section, which l is connected at its ends with the edges 16 bymeans of the rivets 25, and in this form of my invention the upper oneof the strips 17 pass under the shingles instead of on top of them. Thelower strip 17, however, is arranged in the same way as in my preferredform.

Having thus described my invention, what I claim, and desire to secureby Letters Patent of the United States therefor, is-

1. An improved chimney-base protector, comprising independentsheet-metal sides and ends each having its upper edge projectinginwardlyand its sides riveted to the adjacent parts, sheet-metal stripsapproximately L- shaped in cross-section secured to the lower edges ofthe end pieces and projecting outwardly and a single rivet connectingone end of each strip to the adjacent end piece and sheet-metal stripsapproximately L-shaped in cross-section for the sides, for the purposesstated.

2. An improved chimney-base protector, comprising sheet-metal sideshaving inwardlyeXtended upper edges and inwardly-extended side edges,sheet-metal end pieces secured to the side edges of the side pieces,saidend pieces having imvardlyextended upper edges and having their lowerends shaped to fit a roofapex, two L-shaped strips pivotally connectedwith each other and to the central portion of each end piece.

3. An improved chimney-base protector, comprising sheet-metal sideshaving inwardlyextended upper edges and inwardly-extended side edges,sheet-metal end pieces secured to the side edges of the side pieces,said end pieces having inwardly-extended upper edges and having theirlower ends shaped to tit a roofapex, two L-shaped strips pivotallyconnected with each other and to the central portion of each end piece,and rivets securing the lower ends of said L-shaped strips to the endpieces, and strips secured to the inner surfaces of the side pieces neartheir lower edges, and extending downwardly and outwardly therefrom,substantially as and for the purposes stated.

GEORGE WV. LEWIS.

WVitnesses:

JAs. O. U'r'rnnsoN, H. LEWIS.

